<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>note-code</title>
	<style>
		#container {
			display: grid;
			grid-template-columns: 100px 100px 100px;
			grid-template-rows: 100px 100px 100px;
			grid-template-areas:
				"a b c"
				"d e f"
				"g h i";
		}

		.item {
			font-size: 4em;
			text-align: center;
			border: 1px solid #e5e4e9;
		}

		.item-1 {
			background-color: #ef342a;

			/* 指定放到 e 处 */
			grid-area: e;
		}

		.item-2 {
			background-color: #f68f26;
		}

		.item-3 {
			background-color: #4ba946;
		}

		.item-4 {
			background-color: #0376c2;
		}

		.item-5 {
			background-color: #c077af;
		}

		.item-6 {
			background-color: #f8d29d;
		}

		.item-7 {
			background-color: #b5a87f;
		}

		.item-8 {
			background-color: #d0e4a9;
		}

		.item-9 {
			background-color: #4dc7ec;
		}
	</style>
</head>

<body>
	<div id="container">
		<div class="item item-1">1</div>
		<div class="item item-2">2</div>
		<div class="item item-3">3</div>
		<div class="item item-4">4</div>
		<div class="item item-5">5</div>
		<div class="item item-6">6</div>
		<div class="item item-7">7</div>
		<div class="item item-8">8</div>
		<div class="item item-9">9</div>
	</div>
</body>

</html>